|No.|Constituency|Created|Seats|Change|
|---|---|---|---|---|
|01|Carlow–Kilkenny|1948|5|none|
|02|Cavan–Monaghan|1977|5|none|
|03|Clare|1921|4|none|
|04|Cork East|1981|4|none|
|05|Cork North–Central|1981|4|minus 1|
|06|Cork North–West|1981|3|none|
|07|Cork South–Central|1981|5|none|
|08|Cork South–West|1961|3|none|
|09|Donegal North–East|1981|3|none|
|10|Donegal South–West|1981|3|none|
|11|Dublin Central|1981|4|none|
|12|Dublin Mid–West|2002|4|plus 1|
|13|Dublin North|1981|4|none|
|14|Dublin North–Central|1948|3|minus 1|
|15|Dublin North–East|1981|3|none|
|16|Dublin North–West|1981|3|none|
|17|Dublin South|1981|5|none|
|18|Dublin South–Central|1948|5|none|
|19|Dublin South–East|1948|4|none|
|20|Dublin South–West|1981|4|none|
|21|Dublin West|1981|3|none|
|22|Dún Laoghaire|1977|5|none|
|23|Galway East|1977|4|none|
|24|Galway West|1937|5|none|
|25|Kerry North|1969|3|none|
|26|Kerry South|1937|3|none|
|27|Kildare North|1997|4|plus 1|
|28|Kildare South|1997|3|none|
|29|Laois–Offaly|2007|5|plus 5|
|30|Limerick East|1948|5|none|
|31|Limerick West|1948|3|none|
|32|Longford–Westmeath|2007|4|plus 4|
|33|Louth|1923|4|none|
|34|Mayo|1997|5|none|
|35|Meath East|2007|3|plus 3|
|36|Meath West|2007|3|plus 3|
|37|Roscommon–South Leitrim|2007|3|plus 3|
|38|Sligo–North Leitrim|2007|3|plus 3|
|39|Tipperary North|1948|3|none|
|40|Tipperary South|1948|3|none|
|41|Waterford|1923|4|none|
|42|Wexford|1921|5|none|
|43|Wicklow|1923|5|none|

Question: how many constituencies were not created in the 1900s?
Answer: 7